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#include #include #include cunistd.h> int main() pid_t pid, pid1; /* fork a child process */ pid = fork(); if (pid lt; e) { /* error occurred */ fprintf(stderr, "Fork Failed"); return 1; else if (pid == ®) { /* child process */ pidi = getpid(); printf("child: pid = %d", pid); /* A */ printf("child: pid1 = %d",pid1); /* B */ else { /* parent process */ pidi = getpid(); printf("parent: pid = %d", pid); /* c */ printf("parent: pid1 = Xd",pid1); /* D */ wait(NULL); return e;

#include #include #include cunistd.h> int main() pid_t pid, pid1; /* fork a child process */ pid = fork(); if (pid lt; e) { /* error occurred */ fprintf(stderr, "Fork Failed"); return 1; else if (pid == ®) { /* child process */ pidi = getpid(); printf("child: pid = %d", pid); /* A */ printf("child: pid1 = %d",pid1); /* B */ else { /* parent process */ pidi = getpid(); printf("parent: pid = %d", pid); /* c */ printf("parent: pid1 = Xd",pid1); /* D */ wait(NULL); return e;

Microsoft Visual C#
Microsoft Visual C#
7th Edition
ISBN:9781337102100
Author:Joyce, Farrell.
Publisher:Joyce, Farrell.
Chapter8: Advanced Method Concepts
Section: Chapter Questions
Problem 7RQ
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Using the program shown, identify the values of pid at lines A, B, C, and D. (Assume that the actual pids of the parent and child are 2600 and 2603, respectively.)

#include <sys/types.h> #include <stdio.h> #include <unistd.h> int main() pid_t pid, pid1; /* fork a child process */ pid = fork(); if (pid lt; e) { /* error occurred */ fprintf(stderr, "Fork Failed"); return 1; else if (pid == 0) { /* child process */ pidi getpid(); %3D printf("child: pid = %d", pid); /* A */ printf("child: pid1 = %d", pid1); /* B */ else { /* parent process */ pid1 = getpid(); printf("parent: pid = %d", pid); /* c */ printf("parent: pid1 = %d", pid1); /* D */ wait(NULL); } return e; }
Transcribed Image Text:#include <sys/types.h> #include <stdio.h> #include <unistd.h> int main() pid_t pid, pid1; /* fork a child process */ pid = fork(); if (pid lt; e) { /* error occurred */ fprintf(stderr, "Fork Failed"); return 1; else if (pid == 0) { /* child process */ pidi getpid(); %3D printf("child: pid = %d", pid); /* A */ printf("child: pid1 = %d", pid1); /* B */ else { /* parent process */ pid1 = getpid(); printf("parent: pid = %d", pid); /* c */ printf("parent: pid1 = %d", pid1); /* D */ wait(NULL); } return e; }
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